IntelliDrive SM Update
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Transcript of IntelliDrive SM Update
IntelliDriveSM Update
AASHTO SCOHTS Annual MeetingMay 1, 2009
IntelliDrive is Connectivity
DOT’s IntelliDrive research program is focused on developing the information and communications systems technology backbone for a dramatically safer and more efficient future surface transportation system.
IntelliDrive Active Safety Applications
Vehicle-to-Vehicle (V2V)
Vehicle-to-Infrastructure (V2I)
IntelliDrive Active Safety Applications Issue Driver Alerts and Warnings
IntelliDrive safety applications are designed to increase drivers’ situational awareness and prevent crashes through Alerts and Warnings.
Warnings Vs Alerts•The main difference for drivers is the time horizon.•Alerts have a longer time horizon, and improve safety by increasing situational awareness.•Warnings inform the driver that immediate action is necessary.•Even last-second warnings can give drivers enough time to respond—e.g., to brake or steer around to avoid a crash.
DSRC: Communications Technology forIntelliDrive Active Safety Applications
•Active Safety requires instantaneous (extremely low-latency) communications technology.•Dedicated Short Range Communications (DSRC) is the only currently available technology that meets requirements of active safety applications.•DSRC is similar to WiFi, tailored to the environment of moving vehicles•When DSRC is combined with GPS, the result is a low-cost communication system that provides 360 degree situational awareness of all similarly equipped vehicles and infrastructure within range.
V2V – 6 Prototype Safety Applications
Emergency Brake Light Warning
Forward Collision Warning
Intersection Movement Assist
Blind Spot and Lane Change Warning
Do Not Pass Warning
Control Loss Warning
Emergency Brake Light Warning
Forward Collision Warning
Intersection Movement Assist
Additional V2V Safety Applications
• Do Not Pass Warning – System issues a warning to the driver who intends to pass slower moving vehicles ahead by moving into the passing zone of the adjacent lane, which is or will be occupied by another vehicle traveling in the opposite direction
•Blind Spot and Lane Change Warning – System issues various stages of warning to the driver of the host vehicle during a lane change attempt if the vehicle’s blind spot is, or will soon be, occupied by another vehicle traveling in the same direction
• Control Loss Warning – System issues a warning to the driver who is about to enter a zone where another driver has recently lost control of his vehicle.
V2I – 4 Prototype Safety Applications
Stop Sign and Signal Violation Warning
Stop Sign Assist
Signalized Left Turn Assist
Traffic Signal Adaptation
V2I –Safety ApplicationsTraffic Signal Violation Warning
Left Turn Warning
V2I –Safety Applications Stop Sign Assist
V2I –Safety Applications Left Turn Warning
V2I –Safety ApplicationsTraffic Signal Adaptation
Stop Sign Violation Warning
Human-Machine Interface is Critical
•IntelliDrive safety applications will be designed to decrease human error, which causes 81% of crashes.
• The current IntelliDrive research program is emphasizing the importance of developing effective Human Machine Interfaces (HMIs), which are critical to ensure:
•Effective crash prevention and mitigation•No unintended consequences
Increased driver workloadRisk compensation
•Consumer acceptance
Off RoadwayOff Roadway
Rear-EndRear-End
Crossing PathsCrossing Paths
25 %25 %
9 %9 %
28 %28 %
23 %23 %Lane ChangeLane Change
IntelliDrive Active Safety ApplicationsCan Prevent Most Crash Types
OthersOthers
Lane Departure Warning
Lane Keeping
Curve Speed Warning
Stability Control
Forward Crash Warning
Adaptive Cruise Control
Brake Assist
Automatic Braking
Blind Spot Detection
Side Radar
Intersection Movement Assist
Stop Sign & Signal Violation Warnings
CRASHES of All Severities--2007
IntelliDrive Safety ApplicationsV-V
• Forward Collisions• Intersection• Lane Change/ Merge
Communication Options
V-I Intersection Curve speed warning
Driver Information Hazard Alert Weather Navigation
10089%
25%
15%
Requires DSRC
Percent of All Crashes Addressed
IntelliDrive Network Not Just for Safety
IntelliDrive Connectivity Will SupportActive Safety applications to prevent crashes
Information-Rich Infrastructure for• mobility• efficiency• infrastructure management, and• road weather applications
Additional Applications to support •environmental stewardship•livable communities•Traveler convenience and choice
Future Vision: IntelliDrive Ultimately Will Connect All Infrastructure Users and System Managers in Real Time
•Commercial Vehicle Fleet Owners and their Drivers
•Transit System Managers, Drivers, and Passengers
•Pedestrians
•Bicyclists
For More Information
http://www.intellidrive.org/